App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 721 · 40 questions

Developer's tip (Name the topic): First decide which topic the question is about. Use that lesson’s rule: count, order, match or work it out. Read every line of a screen or a code snippet before you answer.

1. 1.👥 A library app has 230 readers, 160 librarians and 175 volunteers as users. How many more volunteers than librarians are there?
2. 2.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) custom alert sounds (b) set a reminder time (c) see today’s total (d) log a glass of water
3. 3.👥 A school app has 165 students, 80 teachers and 85 parents as users. Which user group is the biggest? (a) students (b) teachers (c) parents
4. 4.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
5. 5.📊 Survey: which problem bugs you most? How many students voted in all?
   losing water bottles: 9 votes
   no quiet study place: 15 votes
   forgetting homework: 24 votes
6. 6.🔍 Which is the odd one out? (a) add the buttons (b) spot a problem to solve (c) list what users need (d) talk to possible users
7. 7.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) fix and improve (c) list what to fix (d) read user reviews
8. 8.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) earn stickers (b) see tasks by day (c) add a homework task (d) set a due date
9. 9.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) log a glass of water (c) water animations (d) custom alert sounds
10. 10.🗒️ Version 1 of a bus tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    see where the bus is: 3 days
    show arrival time: 1 days
    pick your bus stop: 5 days
11. 11.🔢 After an app is released, what comes right after “list what to fix”? (a) fix and improve (b) release an update (c) read user reviews (d) test it again
12. 12.True or false: speaking a command is an input. (a) True (b) False
13. 13.📱 The word “app” is short for ___. (a) apparatus (b) appointment (c) application (d) appetite
14. 14.📅 An app team plans for 3 days, builds for 9 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
15. 15.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 15 votes
    losing water bottles: 18 votes
    missing the bus: 10 votes (a) missing the bus (b) losing water bottles (c) forgetting homework
16. 16.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) pie-chart colours (b) add money received (c) add money spent (d) show the balance
17. 17.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [text box] Due date
    [button] Done
    [text box] Email
    [switch] Dark mode
    [text box] Age
    [slider] Brightness
18. 18.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] City
    [button] Start
    [button] Next
    [button] Cancel
19. 19.Which of these is a screen? (a) a date picker (b) the log-in page (c) tap to go Next (d) today’s step count
20. 20.🔢 After an app is released, which comes first: “release an update” or “list what to fix”? (a) list what to fix (b) release an update
21. 21.🧩 Which of these is a button on this screen?
    [title] New Note
    [switch] Dark mode
    [text box] Due date
    [text box] Email
    [button] Save
    [button] Next
    [text box] Age
    [button] Cancel
    [slider] Volume (a) Age (b) Due date (c) Next (d) Email
22. 22.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
23. 23.True or false: today’s step count is data. (a) False (b) True
24. 24.🗒️ Why keep version 1 small? (a) to confuse users (b) to learn from users soon (c) to use up storage (d) to look bigger
25. 25.💡 How can you check that people really have the problem? (a) ask possible users (b) pick a colour (c) just guess (d) copy another app
26. 26.👥 A school app has 180 students, 155 teachers and 75 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
27. 27.🎯 Which app would help this user most: a teen learning to make snacks? (a) a homework planner (b) a big-text reader (c) a recipe finder (d) a bus tracker
28. 28.True or false: a date picker is data. (a) True (b) False
29. 29.Which of these is true of a website? (a) has a home-screen icon (b) needs no installing (c) comes from an app store (d) updates from the store
30. 30.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 24 votes
    missing the bus: 15 votes
    wasting pocket money: 25 votes (a) wasting pocket money (b) losing water bottles (c) missing the bus
31. 31.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) output (b) processing (c) input
32. 32.⚙️ What number does this app show?
    let km = 10; // typed by the user
    let metres = km * 1000;
    show(metres);
33. 33.⚙️ In an app, is a beep sound an input, processing or an output? (a) input (b) output (c) processing
34. 34.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Email
    [slider] Text size
    [button] Back
    [button] Done
    [text box] Phone
    [button] Cancel
35. 35.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) earn stickers (c) pick a theme colour (d) add a homework task
36. 36.🛠️ At which stage do you write the store text? (a) the build stage (b) the plan stage (c) the release stage (d) the idea stage
37. 37.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a button with no action (d) a medicine reminder
38. 38.🗂️ What kind of app is a cricket run chase? (a) a tool app (b) a learning app (c) a game (d) a health app
39. 39.🔢 When you make an app, which comes LAST? (a) plan the screens (b) release it (c) build the app (d) test the app
40. 40.🧩 Which part lets the user give the app information? (a) an icon (b) an input (c) a title (d) a logo

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